| Abstract/Notes |
Objective: The study evaluated the test–retest reliability of the scores obtained from the Chiropractic Professional Identity Embodiment Scale (CPIES), a brief self-report tool assessing professional identity in chiropractors and students.
Methods: Students were invited across all 4 year levels at a chiropractic college to complete an online survey featuring 15 CPIES statements rated on a 5-point Likert scale. The survey was administered twice, 4 weeks apart, with participants matched across time points using three sociodemographic identifiers. Test–retest reliability was assessed using the intraclass correlation coefficient (ICC) with a 2-way mixed-effects model for absolute agreement.
Results: Due to anonymous participation, the exact response rate could not be calculated; the estimated response rate was 24%. Of these respondents, 23 participants (35%) were matched across 2 time points. The CPIES sum score demonstrated good to excellent test–retest reliability (ICC = 0.92; 95% CI, 0.81–0.97). Most items demonstrated moderate reliability across assessments.
Conclusion: Data collected using the CPIES demonstrated good to excellent test–retest reliability, supporting its temporal stability. This provides further evidence to support use of the CPIES in research, education, and policy, when professional identity is increasingly recognized as a key competency.
Author keywords: Chiropractic; Social Identification; Reproducibility of Results; Psychometrics; Surveys and Questionnaires
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